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    SubjectRe: [PATCH 6/6] pinctrl: mt8173: set GPIO16 to usb iddig mode
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    Hi Hongzhou,

    On 12/05/16 04:55, Hongzhou Yang wrote:
    > On Wed, 2016-05-11 at 19:09 -0700, Hongzhou Yang wrote:
    >> On Thu, 2016-05-12 at 09:41 +0800, chunfeng yun wrote:
    >>> Hi,
    >>>
    >>> On Wed, 2016-05-11 at 11:32 -0700, Hongzhou Yang wrote:
    >>>> On Wed, 2016-05-11 at 13:56 +0200, Linus Walleij wrote:
    >>>>> On Tue, May 10, 2016 at 10:23 AM, Chunfeng Yun
    >>>>> <chunfeng.yun@mediatek.com> wrote:
    >>>>>
    >>>>>> the default mode of GPIO16 pin is gpio, when set EINT16 to
    >>>>>> IRQ_TYPE_LEVEL_HIGH, no interrupt is triggered, it can be
    >>>>>> fixed when set its default mode as usb iddig.
    >>>>>>
    >>>>>> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
    >>>>>
    >>>>
    >>>> Chunfeng, GPIO16 can be used as EINT16 mode, but the pinmux should be 0.
    >>>> If you want to set its default mode to iddig, you should set it in dts.
    >>>>
    >>> I set it in DTS, but it didn't work, because when usb driver requested
    >>> IRQ, pinmux was switched back to default mode set by
    >>> MTK_EINT_FUNCTION().
    >>>
    >>
    >> After confirmed, there are something wrong with data sheet and pinmux
    >> table, and GPIO16 can only receive interrupt by mode 1. So
    >>
    >> Acked-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
    >>
    >
    > Linus,
    >
    > We find there are some other pins still have the same problem, so please
    > hold on it. Sorry for so much noise.
    >

    Did you made any progress on this? I didn't see any patch on the mailing
    list.

    Regards,
    Matthias

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